No. the LiveTV devices are separate from MythTV. That is why the wife using MythTV on tuner 1 to watch something was the initial issue.
My system is as follows:
2 Dish receivers
2 PVR inputs ( svideo, white, red )
Now. the above resources are used for two different functions.
Function 1: First choices in setup menu
After creating the SAT-1 and SAT-2 AV devices, you go through the setup wizard. Those devices show up as AV equipment on that screen. The next screen is the Input screen.
There I have listed:
svideo PVR500 card 1
svideo PVR500 card 2
as well as the Composite ( yellow wire ) and the coax
I choose the first svideo PVR500 card 1 and connect it to SAT-1 and make it available to all MD's
then i choose the second svideo PVR500 card 2 and connect it to SAT-2 and make it available to all MD's.
Once this part is completed, If I were to exit the wizard, Media menu Items would be generated for:
This is completely separate from MythTV.
Function 2 - second choices in setup menu
Now if I were to continue the setup wizard past the above point, then the next windows would ask me for the PVR information.
Here I choose:
SAT-1 controlled by USB-UIRT core for the first tuner it sees
SAT-2 controlled by USB-UIRT core for the second tuner it sees.
Now both the live, non time-shifted SAT-1/2 feeds have an entry
I can also use the TV option and get access to time-shifted SAT-1/2.
My problem was, If I was watching LiveTV SAT-1, and the wife fired up MythTV, my screen would go away, and she would take SAT-1 away from me, or rather MythTV would.
The two are not connected.
My issue was SAT-2 pipes were not complete, so LiveTV SAT-2 was just producing a black screen, no audio/video, not unlike if MythTV were to take over that tuner card.
And that in the end fixed me up.
If I remember tonight, I will take a screenshot of my Media Menus, and show you what I am referring to.